Print Quality Problems - Xerox 4520 User Manual

Print Quality
Problems
Figure 7.6

Print Quality Problems

Problem
Light/faint prints
Overall image is lighter
than normal.
Blank Prints
Entire printed page is
blank with no visible
print.
Figure 7.6 lists common print quality problems, the likely
cause, and recommended actions.
Possible Causes
1. Tone level low/empty
2. Print Density adjustment set
too low
3. Damp paper stock
4. Transfer Corotron wire
broken/dirty
1. EP Cartridge insert is still in
place
2. Defective EP cartridge
3. Multiple sheets are being fed
from the paper tray at the
same time.
4. No printable data received
from computer
C h a p t e r 7 : T r o u b l e s h o o t i n g
P r i n t Q u a l i t y P r o b l e m s
Corrective Actions
1. Replace EP cartridge.
2. Adjust Print Density (see Chapter 6).
3. Replace paper stock.
4. Replace Transfer Corotron (see
Chapter 6).
1. Remove the paper insert (see
Chapter 6).
2. Replace EP cartridge.
3. Remove paper from paper tray and fan
it. Ensure that paper is correctly loaded
in tray with edges under metal corners
(see Chapter 2).
4. Produce a Test Print (see Chapter 3). If
the Test Print is normal, check the
following:
• Interface cable between computer
and printer
• Printer set up and application
software
If the Test Print is blank, contact your
dealer or Xerox / Rank Xerox.
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